1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3void test1() {
4  if (sizeof (int){ 1}) {}   // sizeof compound literal
5  if (sizeof (int)) {}       // sizeof type
6
7  (void)(int)4;   // cast.
8  (void)(int){4}; // compound literal.
9
10  int A = (struct{ int a;}){ 1}.a;
11}
12
13int test2(int a, int b) {
14  return a ? (void)a,b : a;
15}
16
17int test3(int a, int b, int c) {
18  return a = b = c;
19}
20
21int test4() {
22  test4();
23  return 0;
24}
25
26struct X0 { struct { struct { int c[10][9]; } b; } a; };
27
28int test_offsetof() {
29  (void)__builtin_offsetof(struct X0, a.b.c[4][5]);
30  return 0;
31}
32
33void test_sizeof(){
34        int arr[10];
35        (void)sizeof arr[0];
36        (void)sizeof(arr[0]);
37        (void)sizeof(arr)[0];
38}
39
40// PR3418
41int test_leading_extension() {
42  __extension__ (*(char*)0) = 1; // expected-warning {{indirection of non-volatile null pointer}} \
43                                 // expected-note {{consider using __builtin_trap}}
44  return 0;
45}
46
47// PR3972
48int test5(int);
49int test6(void) {
50  return test5(      // expected-note {{to match}}
51               test5(1)
52                 ; // expected-error {{expected ')'}}
53}
54
55// PR8394
56void test7() {
57    ({} // expected-note {{to match}}
58    ;   // expected-error {{expected ')'}}
59}
60
61// PR16992
62struct pr16992 { int x; };
63
64void func_16992 () {
65  int x1 = sizeof int;            // expected-error {{expected parentheses around type name in sizeof expression}}
66  int x2 = sizeof struct pr16992; // expected-error {{expected parentheses around type name in sizeof expression}}
67  int x3 = __alignof int;         // expected-error {{expected parentheses around type name in __alignof expression}}
68  int x4 = _Alignof int;          // expected-error {{expected parentheses around type name in _Alignof expression}}
69}
70